A researcher compares students' performance using a new learning strategy to their performance using the old strategy.Students' performance is first tested with the old strategy,followed by the new strategy.The results indicate that students perform better with the new strategy.These results
A) show that the order of the two learning strategies does not matter.
B) are uninterpretable due to the confounding with practice effects.
C) indicate that teachers should use the new strategy.
D) all of these

Question

Quizplus · Accepted Answer

The results are confounded by practice effects, as the students have already taken the test with the old strategy and may have improved due to familiarity with the test format or content. Therefore, it is difficult to conclude that the new strategy is solely responsible for the improved performance.

A Researcher Compares Students' Performance Using a New Learning Strategy